Psychologist | Clinical Psychology

William Nunn, PHD, HSPP

239 Hillsdale Ave, Greencastle, Indiana, 46135-1340

About William Nunn

William Nunn is a psychologist based in Greencastle, Indiana who is specialized in Clinical Psychology. Active license number of William Nunn is 20041024 for Clinical Psychology in Indiana. His current practice location is 239 Hillsdale Ave, Greencastle. Patients can contact him at 765-653-1024 or can fax him at 765-653-4931. William Nunn, PHD, HSPP, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1689625832.

William Nunn is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

William Nunn's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name William Nunn
Specialization Clinical Psychology
Credentials PHD, HSPP
Gender Male
Practice Address: 239 Hillsdale Ave,
Greencastle, IN - 46135-1340
Fax 765-653-4931

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1689625832
NPI Enumeration Date: 12 May, 2006
NPI Last Update On: 15 Mar, 2011

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for William Nunn are as mentioned below.

License NumberSpecializationStateStatus
20041024Clinical Psychology IndianaPrimary

Other Medical Identifiers

Other professional identifiers associated with William Nunn such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
200067860MedicaidIndiana

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

William Nunn
Po Box 4323,
Terre Haute, IN - 47804-0323
Phone: 812-231-8323
Fax: 812-231-8400

Book an Appointment with William Nunn

To schedule an appointment, contact William Nunn at 239 Hillsdale Ave, Greencastle, Indiana or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William Nunn:

William Nunn is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, William Nunn is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

William Nunn practices at 239 Hillsdale Ave, Greencastle, Indiana, 46135-1340.

To schedule an appointment with William Nunn, please contact the office at 765-653-1024.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.